<template>
  <div>
    <el-card>
      <div class="head">
        <el-button color="#1baeae" style="color: #fff" :icon="Plus" @click="add"
          >添加</el-button
        >
        <el-button
          color="#f56c6c"
          style="color: #fff"
          :icon="Delete"
          @click="dels"
          >批量删除</el-button
        >
      </div>
      <el-table
        @selection-change="changeStatus"
        :data="list"
        style="width: 100%"
      >
        <el-table-column type="selection" width="55" />
        <el-table-column prop="categoryName" label="分类名称" />
        <el-table-column prop="categoryRank" label="排序值" />
        <el-table-column prop="createTime" label="添加时间" />
        <el-table-column label="操作">
          <template #default="scope">
            <el-button text type="primary" @click="edit(scope.row)"
              >修改</el-button
            >
            <el-button text type="primary" @click="nextCateGory(scope.row)"
              >下级分类</el-button
            >
            <el-popconfirm
              @confirm="del([scope.row.categoryId])"
              title="你确定要删除吗?"
            >
              <template #reference>
                <el-button text type="primary">删除</el-button>
              </template>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
      <div class="pagination">
        <el-pagination
          v-model:current-page="params.pageNumber"
          v-model:page-size="params.pageSize"
          :page-sizes="[10, 20, 30, 40]"
          :background="background"
          layout=" prev, pager, next"
          :total="total"
          @size-change="getList"
          @current-change="getList"
        />
      </div>
    </el-card>
    <!-- 弹窗 -->
    <el-dialog v-model="dialogFormVisible" :title="title" width="500">
      <el-form
        ref="ruleFormRef"
        style="max-width: 600px"
        :model="ruleForm"
        :rules="rules"
        label-width="auto"
        class="demo-ruleForm"
        :size="formSize"
        status-icon
      >
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="ruleForm.categoryName" />
        </el-form-item>
        <el-form-item label="排序值" prop="categoryRank">
          <el-input type="number" v-model="ruleForm.categoryRank" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="dialogFormVisible = false">取消</el-button>
          <el-button type="primary" @click="submitForm(ruleFormRef)">
            确定
          </el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script lang="ts" setup>
import { ref, reactive, onMounted } from "vue";
import { useRoute, useRouter } from "vue-router";
import { api } from "../../../api/api";
import { Plus, Delete } from "@element-plus/icons-vue";
import { ElMessage } from "element-plus";
import "element-plus/es/components/message/style/css";

const route = useRoute();
const router = useRouter();
const background = ref<boolean>(true);
const total = ref<number>(0);
const dialogFormVisible = ref<boolean>(false);
const title = ref<string>("");
interface paramsT {
  pageNumber: number;
  pageSize: number;
  categoryLevel: number;
  parentId: number;
}
const params = reactive<paramsT>({
  pageNumber: 1,
  pageSize: 10,
  categoryLevel: 2,
  parentId: 0,
});
const list = ref<any>([]);
async function getList() {
  params.parentId = route.query.parent_id ? Number(route.query.parent_id) : 0;
  const res: any = await api.getCategoriesApi(params);
  list.value = res.data.list;
  total.value = res.data.totalCount;
}
onMounted(() => {
  getList();
});
import type { FormInstance, FormRules } from "element-plus";

interface RuleForm {
  categoryLevel: number;
  categoryName: string;
  categoryRank: string;
  parentId: number;
  categoryId: number;
}

const formSize = ref("default");
const ruleFormRef = ref<FormInstance>();
const ruleForm = reactive<RuleForm>({
  categoryLevel: 2,
  categoryName: "",
  categoryRank: "",
  parentId: 0,
  categoryId: 0,
});

const rules = reactive<FormRules<RuleForm>>({
  categoryName: [
    { required: true, message: "请输入商品名称", trigger: "blur" },
  ],
  categoryRank: [{ required: true, message: "请输入排序值", trigger: "blur" }],
});

const submitForm = async (formEl: FormInstance | undefined) => {
  if (!formEl) return;
  await formEl.validate((valid, fields) => {
    if (valid) {
      ruleForm.parentId = Number(route.query.parent_id);
      const apiUrl =
        title.value == "添加商品"
          ? api.addCategoriesApi
          : api.editCategoriesApi;
      const info = title.value == "添加商品" ? "添加成功" : "编辑成功";
      apiUrl(ruleForm).then((res: any) => {
        if (res.resultCode == 200) {
          ElMessage.success(info);
          getList();
          dialogFormVisible.value = false;
        } else {
          ElMessage.error(res.message);
        }
      });
    } else {
      console.log("error submit!", fields);
    }
  });
};

// 删除
async function del(ids: any[]) {
  const res: any = await api.deleteCategoriesApi({ ids: ids });
  if (res.resultCode == 200) {
    ElMessage.success("删除成功");
    getList();
  } else {
    ElMessage.error(res.message);
  }
}
// 批量删除勾选框
const deleteParams = ref<any[]>([]);
function changeStatus(e: any) {
  let arr: any[] = [];
  e.forEach((element: any) => {
    arr.push(element.categoryId);
  });
  deleteParams.value = arr;
}
// 批量删除
function dels() {
  del(deleteParams.value);
}

// 清空表单
function resetForm() {
  ruleForm.categoryName = "";
  ruleForm.categoryRank = "";
  ruleForm.categoryLevel = 2;
  ruleForm.categoryId = 0;
  ruleForm.parentId = 0;
}
// 添加弹窗
function add() {
  dialogFormVisible.value = true;
  resetForm();
  title.value = "添加商品";
}
// 编辑
function edit(row: any) {
  dialogFormVisible.value = true;
  title.value = "编辑商品";
  ruleForm.categoryName = row.categoryName;
  ruleForm.categoryId = row.categoryId;
  ruleForm.categoryRank = row.categoryRank;
}
// 下级分类
function nextCateGory(row: any) {
  if (row.categoryLevel == 1) {
    router.push({
      path: "/category/level2",
      query: { parent_id: row.categoryId },
    });
  } else if (row.categoryLevel == 2) {
    router.push({
      path: "/category/level3",
      query: { parent_id: row.categoryId },
    });
  }
}
</script>

<style lang="scss">
.pagination {
  width: 100%;
  display: flex;
  margin: 20px 0;
  justify-content: center;
  align-items: center;
}
</style>
